Finding the Fourth Proportional to 113,953.24, 157,252.16 and 62,965.16
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Solution
The fourth proportional to 113,953.24, 157,252.16 and 62,965.16 is: 86,890.09
Step by Step Solution
- Step 1: Write the proportion equation
113,953.24 : 157,252.16 = 62,965.16 : x - Step 2: Convert to fraction form
113,953.24/157,252.16 = 62,965.16/x - Step 3: Cross multiply
113,953.24x = 157,252.16 × 62,965.16 - Step 4: Simplify right side
113,953.24x = 9,901,407,375.59 - Step 5: Solve for x
x = 9,901,407,375.59/113,953.24 - Step 6: Final answer
x = 86,890.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.